The code is an official Medicare Coverage Database article ID. The article, titled Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization , provides standardized instructions for Upper Gastrointestinal Endoscopy procedures. 3. Aviation and Federal Regulations

: The "RAR" in your query typically refers to a Roshal Archive file format, used for high-efficiency data compression and error recovery.

Billing and Coding: Upper Gastrointestinal Endoscopy ... - CMS